Finding the Fourth Proportional to 634,154.48, 951,378.12 and 213,420.08
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Solution
The fourth proportional to 634,154.48, 951,378.12 and 213,420.08 is: 320,179.39
Step by Step Solution
- Step 1: Write the proportion equation
634,154.48 : 951,378.12 = 213,420.08 : x - Step 2: Convert to fraction form
634,154.48/951,378.12 = 213,420.08/x - Step 3: Cross multiply
634,154.48x = 951,378.12 × 213,420.08 - Step 4: Simplify right side
634,154.48x = 203,043,194,480.65 - Step 5: Solve for x
x = 203,043,194,480.65/634,154.48 - Step 6: Final answer
x = 320,179.39
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.